Valgro Engineers Private Limited manufactures Multi-Function Liner Grinders with Techno-Generator. Valgro Engineers Private Limited is an ISO 9001:2000 and TUV SUD German certified company. Multi-Function Liner Grinders with Techno-Generator features variable speed adjustment of 1000 to 3000 rpm. It is adjustable while still in grip. The techno-generator offers consistent speed. Multi-Function Liner Grinders with Techno-Generator stays well-balanced under full load. Fresh air flow mechanism protect engine from over-heating and dust jamming. Multi-Function Liner Grinders with Techno-Generator has a width range of up to 100 mm. And diameter range of up to 150 mm.